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发明名称
DEVICE FOR DRAINING SLUDGE
摘要
申请公布号
KR920001687(Y1)
申请公布日期
1992.03.09
申请号
KR19890009750U
申请日期
1989.07.04
申请人
YOON, IN - SOO
发明人
YOON, IN - SOO
分类号
E03F9/00;(IPC1-7):E03F9/00
主分类号
E03F9/00
代理机构
代理人
主权项
地址
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